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How much citric acid to add to juice

Adding 2 kg of citric acid to 1000 kg of 12 °Bx juice with an acidity of 0.4 g/100 g raises the acidity to about 0.6 g/100 g and lowers the Brix/acidity ratio.

Parameters

Result

Approximate calculation using a simplified model: for designing equipment and process modes, consult a technologist.

Calculation example

Mass of juice A
1 000 kg
Brix of juice A
12 °Bx
Acidity of juice A
0,40 g/100 g
Mass of juice B
0 kg
Brix of juice B
0 °Bx
Acidity of juice B
0 g/100 g
Add water
0 kg
Add sugar
0 kg
Add citric acid
2 kg
Blend Brix
12,18 °Bx
Blend acidity
0,59 g/100 g
Brix/acidity ratio
20,6
Mass of the mix
1 002,0 kg
Dry matter
122,0 kg

Frequently asked questions

In what units is acidity?
In g/100 g as malic acid; citric acid is converted by equivalents (×0.957).

The calculations are approximate: they help to assess the process and compare options, but do not replace a process design and trials on a specific raw material. This section is for reference only and contains no commercial offers.